12120203131 has 8 divisors (see below), whose sum is σ = 12597570000. Its totient is φ = 11646798240.

The previous prime is 12120203107. The next prime is 12120203143. The reversal of 12120203131 is 13130202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120203131 - 2⁷ = 12120203003 is a prime.

It is a super-2 number, since 2×12120203131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120203231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984256 + ... + 996493.

It is an arithmetic number, because the mean of its divisors is an integer number (1574696250).

Almost surely, 2^12120203131 is an apocalyptic number.

12120203131 is a deficient number, since it is larger than the sum of its proper divisors (477366869).

12120203131 is a wasteful number, since it uses less digits than its factorization.

12120203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980989.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12120203131 its reverse (13130202121), we get a palindrome (25250405252).

The spelling of 12120203131 in words is "twelve billion, one hundred twenty million, two hundred three thousand, one hundred thirty-one".